diff --git a/nanoFramework.System.Net.Http.Client.nuspec b/nanoFramework.System.Net.Http.Client.nuspec
index c0f48269..a4f407b8 100644
--- a/nanoFramework.System.Net.Http.Client.nuspec
+++ b/nanoFramework.System.Net.Http.Client.nuspec
@@ -21,7 +21,7 @@ There is also a package with the server API only and another with the full API.<
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.15.5" />
       <dependency id="nanoFramework.Runtime.Events" version="1.11.18" />
-      <dependency id="nanoFramework.System.Collections" version="1.5.31" />
+      <dependency id="nanoFramework.System.Collections" version="1.5.45" />
       <dependency id="nanoFramework.System.Text" version="1.2.54" />
       <dependency id="nanoFramework.System.Net" version="1.11.1" />
       <dependency id="nanoFramework.System.Threading" version="1.1.32" />
@@ -38,4 +38,4 @@ There is also a package with the server API only and another with the full API.<
     <file src="assets\nf-logo.png" target="images" />
     <file src="LICENSE.md" target="" />
   </files>
-</package>
+</package>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
index 1d05380d..45a944c1 100644
--- a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
+++ b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
@@ -214,8 +214,8 @@
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.18.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.18\lib\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.5.31.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.31\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.5.45.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.5.45\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.2.54.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.1.2.54\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/nanoFramework.System.Net.Http.Client/packages.config b/nanoFramework.System.Net.Http.Client/packages.config
index 32bc7653..3123d60a 100644
--- a/nanoFramework.System.Net.Http.Client/packages.config
+++ b/nanoFramework.System.Net.Http.Client/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.15.5" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="1.5.31" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="1.5.45" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.59" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Net" version="1.11.1" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.2.54" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http.Client/packages.lock.json b/nanoFramework.System.Net.Http.Client/packages.lock.json
index b16475c0..bcbea829 100644
--- a/nanoFramework.System.Net.Http.Client/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Client/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
-        "requested": "[1.5.31, 1.5.31]",
-        "resolved": "1.5.31",
-        "contentHash": "q7G0BHkbhUzpUJiOQNlZZDSMcZEU2/QJBDiSEQAF23wOya4EBaCXS74jAVcEfkHBgOkF413jKZq5vldpjqUfUw=="
+        "requested": "[1.5.45, 1.5.45]",
+        "resolved": "1.5.45",
+        "contentHash": "dil6zTz67ACEboy5aWib+lcK+v5eOdvChow3UoZjPdH/fsHsHl26D6/OmQKp+KPVdi5/59WUM5InFB4F5FEQfQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.Server.nuspec b/nanoFramework.System.Net.Http.Server.nuspec
index e94afa3f..532f4e31 100644
--- a/nanoFramework.System.Net.Http.Server.nuspec
+++ b/nanoFramework.System.Net.Http.Server.nuspec
@@ -21,7 +21,7 @@ There is also a package with the client API only and another with the full API.<
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.15.5" />
       <dependency id="nanoFramework.Runtime.Events" version="1.11.18" />
-      <dependency id="nanoFramework.System.Collections" version="1.5.31" />
+      <dependency id="nanoFramework.System.Collections" version="1.5.45" />
       <dependency id="nanoFramework.System.Text" version="1.2.54" />
       <dependency id="nanoFramework.System.Net" version="1.11.1" />
       <dependency id="nanoFramework.System.Threading" version="1.1.32" />
diff --git a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
index 4e4fc9dc..e5d5f358 100644
--- a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
+++ b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
@@ -141,8 +141,8 @@
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.18.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.18\lib\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.5.31.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.31\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.5.45.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.5.45\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.2.54.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.1.2.54\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/nanoFramework.System.Net.Http.Server/packages.config b/nanoFramework.System.Net.Http.Server/packages.config
index 32bc7653..3123d60a 100644
--- a/nanoFramework.System.Net.Http.Server/packages.config
+++ b/nanoFramework.System.Net.Http.Server/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.15.5" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="1.5.31" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="1.5.45" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.59" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Net" version="1.11.1" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.2.54" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http.Server/packages.lock.json b/nanoFramework.System.Net.Http.Server/packages.lock.json
index b16475c0..bcbea829 100644
--- a/nanoFramework.System.Net.Http.Server/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Server/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
-        "requested": "[1.5.31, 1.5.31]",
-        "resolved": "1.5.31",
-        "contentHash": "q7G0BHkbhUzpUJiOQNlZZDSMcZEU2/QJBDiSEQAF23wOya4EBaCXS74jAVcEfkHBgOkF413jKZq5vldpjqUfUw=="
+        "requested": "[1.5.45, 1.5.45]",
+        "resolved": "1.5.45",
+        "contentHash": "dil6zTz67ACEboy5aWib+lcK+v5eOdvChow3UoZjPdH/fsHsHl26D6/OmQKp+KPVdi5/59WUM5InFB4F5FEQfQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.nuspec b/nanoFramework.System.Net.Http.nuspec
index 3ae7ad82..9fbdc641 100644
--- a/nanoFramework.System.Net.Http.nuspec
+++ b/nanoFramework.System.Net.Http.nuspec
@@ -22,7 +22,7 @@ These are meant to be used when there is the need to use smaller assemblies.</de
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.15.5" />
       <dependency id="nanoFramework.Runtime.Events" version="1.11.18" />
-      <dependency id="nanoFramework.System.Collections" version="1.5.31" />
+      <dependency id="nanoFramework.System.Collections" version="1.5.45" />
       <dependency id="nanoFramework.System.Text" version="1.2.54" />
       <dependency id="nanoFramework.System.Net" version="1.11.1" />
       <dependency id="nanoFramework.System.Threading" version="1.1.32" />
diff --git a/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index 1e8f3e00..36655df3 100644
--- a/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -114,8 +114,8 @@
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.18.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.18\lib\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.5.31.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.31\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.5.45.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.5.45\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.2.54.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.1.2.54\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/nanoFramework.System.Net.Http/packages.config b/nanoFramework.System.Net.Http/packages.config
index 32bc7653..3123d60a 100644
--- a/nanoFramework.System.Net.Http/packages.config
+++ b/nanoFramework.System.Net.Http/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.15.5" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="1.5.31" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="1.5.45" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.59" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Net" version="1.11.1" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.2.54" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http/packages.lock.json b/nanoFramework.System.Net.Http/packages.lock.json
index b16475c0..bcbea829 100644
--- a/nanoFramework.System.Net.Http/packages.lock.json
+++ b/nanoFramework.System.Net.Http/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
-        "requested": "[1.5.31, 1.5.31]",
-        "resolved": "1.5.31",
-        "contentHash": "q7G0BHkbhUzpUJiOQNlZZDSMcZEU2/QJBDiSEQAF23wOya4EBaCXS74jAVcEfkHBgOkF413jKZq5vldpjqUfUw=="
+        "requested": "[1.5.45, 1.5.45]",
+        "resolved": "1.5.45",
+        "contentHash": "dil6zTz67ACEboy5aWib+lcK+v5eOdvChow3UoZjPdH/fsHsHl26D6/OmQKp+KPVdi5/59WUM5InFB4F5FEQfQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",